Scale ca. 1:33,200. Hand colored. Shows soundings and disposition of ships, etc. Includes "A sketch of Fort Island" and "Profile and plan of the sunk frames or chevaux de frise which formed the stackadoes in the river." LC Maps of North America, 1750-1789, 1362 Available also through the Library of Congress Web site as a raster image. Vault AACR2

Scale ca. 1:32,400. Title from the author's The course of Delaware River ... 1778. Manuscript, pen-and-ink (black and red) and watercolor. Shows soundings, disposition of ships, etc. Names "Fort Mifflin" and "Fort Mercer" added in a different hand. Includes "A sketch of Fort Island" and "Profile and plan of the sunk frames or chevaux de frise which formed the stockadoes in the river." LC ...

Scale ca. 1:275,000. Oriented with north to the right. Depths shown by soundings. Shows ship channels. Includes list of subscribers and "Tide table." Available also through the Library of Congress Web site as a raster image. LC Maps of North America, 1750-1789, 1359 Vault AACR2: 100; 650/1; 651/2; 650/3; 651/4; 700/1; 700/2